Chroma Filters H-Alpha 1,25", 3nm (66073)

The H-alpha filter selectively allows light at a 656nm wavelength, making it the ideal narrowband filter for H-alpha astrophotography. It excels in high-contrast imaging, effectively revealing intricate details of nebulae even in areas with significant light pollution.

This 1.25" H-alpha narrowband filter offers remarkable contrast enhancement for all emission nebulae when used with CCD or webcams, enabling exceptional deep sky imaging even from urban environments.

Additionally, it boasts anti-reflection coating and precise plane-optical polishing, ensuring optimal performance.

Specifications:

Capacity:

Central Wavelength: 656 nm

Connection (to the telescope): 1.25"

Frame: 1.25"

Mount Material: Aluminium

Half-value Width: 3 nm

General:

Type: Filters

Type of Build: Line filter

Area of Application:

Planetary Nebulae: Yes

Hydrogen Nebulae: Yes

Useful for Photographs: Yes

H-alpha: Yes